@article {d1997longitudinal,
	title = {Longitudinal analyses for magnetic resonance imaging outcomes in multiple sclerosis clinical trials},
	journal = {Journal of Biopharmaceutical Statistics},
	volume = {7},
	number = {4},
	year = {1997},
	pages = {501{\textendash}531},
	publisher = {Taylor \& Francis},
	author = {D{\textquoteright}yachkova, Yulia and Petkau, John and Whtie, Rick}
}
